1997 honda accord depending on the mileage 10W-30 either high mileage half synthetic half regular oil blend or full synthetic once u go to full synthetic you have to use the same if topping off can't use regular oil with synthetic hope this helps
10-30 synthetic blend, or if you have used synthetic then use it. Personally I use Quaker State synthetic blend.
The typical oil used for the vehicle you are asking about is 10w-30. Organic oil. You can use half synthetic or all synthetic if you choose.
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